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If -= constant, then the locus of the point of intersection of

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If $α - β =$ constant, then the locus of the point of intersection of tangents at $P (a cos α, b sin α)$ and $Q (a cos β, b sin β)$ to the ellipse $\frac{x ^{2}}{a ^{2}} + \frac{y ^{2}}{b ^{2}} = 1$ is: (a) a circle (b) a straight line (c) an ellipse (d) a parabola

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α - β =

constant, then the locus of the point of intersection of tangents at

P (a cos α, b sin α)

and

Q (a cos β, b sin β)

to the ellipse

\frac{x ^{2}}{a ^{2}} + \frac{y ^{2}}{b ^{2}} = 1

is: (a) a circle (b) a straight line (c) an ellipse (d) a parabola

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Question Text

α - β =

constant, then the locus of the point of intersection of tangents at

P (a cos α, b sin α)

and

Q (a cos β, b sin β)

to the ellipse

\frac{x ^{2}}{a ^{2}} + \frac{y ^{2}}{b ^{2}} = 1

is: (a) a circle (b) a straight line (c) an ellipse (d) a parabola

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